Improvement in non-conducting compounds for coating steam-boilers



tdnittt $13M; h we new.

JOHN, HESSING, oF'PAr Rso NEW JERSEY.-

Letters Patent No. 110,461, dated December 27, 1870.

lMPROVEMENT IN NON-CONDUCTlNG COMPOUNDS FOR CGATING STEAM-BOILERS, 800.

The Schedule referred to In these Letters Patent and making part of the same.

' These parts compounded from a pasty mass, which Be itknown that I, J OHN HEssmG, of Peterson,- may be laid on with a trowel or other suitable means, in the county of PEtSSitlG and State of New Jersey, and constitutes a very serviceable non-conductor. have invented a new and improved Non-conducting Having thus described my invention,

T 0 all whom it may concern:

Oomposition andI do hereby declare that the follow- I claim as new and desire to secure by Letters Peting is a, full, clear, and exact description thereof, entwhich will enable others skilled in the art to make and The improved compound, consisting of the ingreuse the some. dients and compounded substantially in the manner This invention relates to a new and improved nonspecified.

heat-conducting compound, suitable for covering lDZtrine, locomotive, stationary, and other steam-boilers, me this 18th day of August, 1870.

cylinders, pipes, 850., the said compound being as fol- JOHN HESSING. lows Seven hundred and fifty parts eley, tl1irty-five parts Witnesses: a

cows hair, forty parts soot, fort-y parts oil or grease, Geo. W. MABEE,

fifty parts cork, (gronnd,) forty-two parts bone, ground,) ALEX. F. ROBERTS.

thirty-five parts oil-cakes, eight parts glue.

The gtbove specification of my invention signed by 

